推广 热搜: 液压水井钻机  平台  app开发  支付接口  新百胜  显示屏  STUTTGART  L30滚轮罐耳  semoflex   

纽扣电池IEC60086-4测试机构13168716476

点击图片查看原图
 
品牌: ATL
23: 34
43: 45
32: 43
单价: 16000.00元/份
起订: 1 份
供货总量: 1000 份
发货期限: 自买家付款之日起 3 天内发货
所在地: 广东 深圳市
有效期至: 长期有效
最后更新: 2021-09-06 13:56
浏览次数: 18
购买   加入购物车
 
公司基本资料信息
详细说明
 This part of IEC 60268, is applicable to headphones, headsets, earphones and earsets, intended to be used on, or in, the human ear. It also applies to equipment, such as pre-amplifiers, passive networks and power supplies which form an integral part of the headphone system. It does not deal with: a) safety, for which reference should be made to IEC 60065 or another appropriate standard; b) the characteristics of microphones of headsets, for which reference should be made to IEC 60268-4; c) earphones and other devices for hearing aids, for which reference should be made to IEC 60118-0; d) headphones for audiometry; e) headphones and other devices which form part of an active ear-defender system, although some of its provisions may be applicable. This standard specifies the characteristics which should be included by the manufacturer in specifications, and relevant methods of measurement. It includes a classification of the different types of earphone, mainly characterized by the way in which the transducer is coupled acoustically to the ear, and a classification code which may also be used for marking.
原文链接:http://www.jingke.org/chanpin/show-53462.html,转载和复制请保留此链接。
以上就是关于纽扣电池IEC60086-4测试机构13168716476全部的内容,关注我们,带您了解更多相关内容。
更多>本企业其它产品
投影仪SAA认证中心13168716476李生 FCCID号码专业申请公司13168716476李生 车载蓝牙后视镜UKCA测试实验室13168716476 WIFI产品SRRC测试公司13168716476 lora模块UKCA测试认证机构13168716476李生 情趣用品电商质检报告测试公司13168716476 蓝牙终端FCCID认证公司13168716476 新风机CCC认证公司13168716476
0相关评论
网站首页  |  VIP套餐介绍  |  关于我们  |  联系方式  |  使用协议  |  版权隐私  |  网站地图  |  排名推广  |  广告服务  |  积分换礼  |  网站留言  |  RSS订阅  |  违规举报